Welcome To the Hoffman Amplifiers Forum
January 23, 2026, 06:00:25 pm
Welcome To the Hoffman Amplifiers ForumJanuary 23, 2026, 06:00:25 pm | ||
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10 Replies
4472 Views |
May 19, 2024, 06:38:37 pmby Carlsoti |
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3 Replies
2680 Views |
May 17, 2024, 09:33:14 pm by HotBluePlates |
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5879 operating conditions question
Started by dwinstonwood |
15 Replies
5078 Views |
May 17, 2024, 03:47:13 pm by dwinstonwood |
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1 Replies
2233 Views |
May 17, 2024, 05:59:06 am by Balticnoiseforge |
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Power tube grid bias and Tremolo
Started by J Rindt |
4 Replies
2674 Views |
May 15, 2024, 10:17:58 pm by J Rindt |
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Biasing an Ampeg SVT 3 Pro
Started by dpm309 |
4 Replies
3740 Views |
May 15, 2024, 06:13:38 pm by dpm309 |
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2 Replies
2315 Views |
May 15, 2024, 03:59:02 pm by kagliostro |
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Where / How to ground series heaters
Started by Jennings |
10 Replies
3897 Views |
May 15, 2024, 02:27:39 pm by Jennings |
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Half power switch in a fender 40w or AC30
Started by TonyM |
11 Replies
4337 Views |
May 15, 2024, 06:47:17 am by Latole |
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6G6 Bassman-ish Bias Issue
Started by Skeeter_pdx |
2 Replies
2365 Views |
May 15, 2024, 06:21:51 am by Dave |
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Heeeeelp with huuuuum
Started by isaac_teller |
28 Replies
7748 Views |
May 14, 2024, 12:57:04 pm by Latole |
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7 Replies
3299 Views |
May 14, 2024, 10:57:33 am by kagliostro |
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Gibson Thor mod help
Started by Natelc1979 |
3 Replies
2609 Views |
May 14, 2024, 07:21:13 am by idsnowdog |
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8 Replies
3659 Views |
May 13, 2024, 04:15:42 pm by nandrewjackson |
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3 tubes push pull
Started by Colas LeGrippa |
11 Replies
3951 Views |
May 13, 2024, 12:50:12 pm by pdf64 |
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1 Replies
2291 Views |
May 13, 2024, 12:14:17 pm by Balticnoiseforge |
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Musicman RD 100 2100 Cal Chassis
Started by plexi50 |
16 Replies
5048 Views |
May 13, 2024, 08:20:42 am by plexi50 |
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2 Replies
2601 Views |
May 12, 2024, 02:52:30 pm by Latole |
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6AU6 tremolo in Silvertone 1472
Started by smackoj |
6 Replies
2782 Views |
May 12, 2024, 02:27:13 pm by smackoj |
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5 Replies
3347 Views |
May 11, 2024, 03:12:02 pm by Latole |
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12 Replies
3324 Views |
May 10, 2024, 05:28:51 pm by stratomaster |
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Is this an EZ35 tube?
Started by kasperbergholt |
6 Replies
3054 Views |
May 10, 2024, 12:00:27 pm by mresistor |
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Can Anyone ID This Amp?
Started by vintasonic |
23 Replies
5889 Views |
May 10, 2024, 07:32:09 am by mresistor |
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Reverb makes a fog horn
Started by G._Hoffman |
16 Replies
4612 Views |
May 10, 2024, 06:35:08 am by tubeswell |
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Steve Luckey's dual lite U.S 2 x 6l6 build.
Started by TonyM |
1 Replies
2203 Views |
May 10, 2024, 12:23:07 am by sluckey |
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16 Replies
4311 Views |
May 09, 2024, 02:05:41 pm by sluckey |
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9 Replies
3456 Views |
May 09, 2024, 12:50:05 pm by pdf64 |
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7 Replies
3253 Views |
May 09, 2024, 12:02:45 pm by j-b-c |
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Univox ; fuse issue
Started by Latole |
1 Replies
2157 Views |
May 09, 2024, 05:49:14 am by Latole |
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Schematic for Vox AC15CC1 amplifier
Started by punkykatt |
6 Replies
8566 Views |
May 08, 2024, 03:16:37 pm by Latole |
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2-el84 cathode biased amp.
Started by MarkT |
4 Replies
2479 Views |
May 08, 2024, 02:51:50 pm by sluckey |
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6J7 filmosound conversion issues
Started by filmdiary |
0 Replies
2179 Views |
May 07, 2024, 08:53:59 pm by filmdiary |
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GU50 question
Started by Leevi |
8 Replies
3189 Views |
May 07, 2024, 08:50:07 pm by danhei |
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Bias tremolo in cathode biased amp
Started by roseblood11 |
26 Replies
7989 Views |
May 07, 2024, 08:48:29 am by Bieworm |
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4M volume pot
Started by Colas LeGrippa |
1 Replies
1823 Views |
May 07, 2024, 03:03:20 am by Latole |
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70’s Twin with conductive board
Started by Mark |
15 Replies
4323 Views |
May 06, 2024, 06:18:58 pm by Mark |
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Fiberboard Conductive?
Started by jeff |
35 Replies
18000 Views |
May 06, 2024, 06:17:11 pm by Mark |
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Plate bypass capacitor location
Started by Zenabi |
12 Replies
4479 Views |
May 06, 2024, 08:18:54 am by Zenabi |
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9 Replies
4812 Views |
May 06, 2024, 07:16:46 am by sluckey |
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26 Replies
8125 Views |
May 06, 2024, 03:21:55 am by Latole |
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“Jtm 45” help
Started by Snake5150 |
14 Replies
4018 Views |
May 05, 2024, 02:08:59 pm by Dave |
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16 Replies
6066 Views |
May 05, 2024, 11:30:31 am by Duncan |
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8 Replies
3342 Views |
May 05, 2024, 08:44:07 am by sluckey |
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3 Replies
2157 Views |
May 05, 2024, 06:29:45 am by sluckey |
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100 hz noise Selmer Treble N'Bass Mk2
Started by Nikolaj2121 |
1 Replies
1851 Views |
May 04, 2024, 03:38:19 pm by EL34 |
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Troubleshooting 6G15 Build
Started by moosetone |
7 Replies
3067 Views |
May 04, 2024, 02:33:50 pm by moosetone |
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Magnatone 213 No Vibrato
Started by plexi50 |
5 Replies
2739 Views |
May 04, 2024, 02:11:31 pm by plexi50 |
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1 Replies
2121 Views |
May 04, 2024, 03:35:01 am by Latole |
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Screen tap on Transformer?
Started by G._Hoffman |
3 Replies
2313 Views |
May 04, 2024, 12:19:58 am by G._Hoffman |
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5 Replies
2848 Views |
May 03, 2024, 05:22:39 pm by SteveInMN |
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